pyvisi/py_src/cutter.py

"""
@author: John NGUI
"""

import vtk

class Cutter:
    """
    Class that defines a cutter.
    """

    def __init__(self, object, plane):
        """
        Initialise the cutter.

        @type object: vtkUnstructuredGrid, etc
        @param object: Input for the cutter
        @type plane: vtkPlane
        @param plane: Plane to cut the object
        """

        self.__object = object
        self.__plane = plane
        self.__vtk_cutter = vtk.vtkCutter()
    
        self.__setupCutter()

    def __setupCutter(self):
        """
        Setup the cutter.
        """

        self.__setInput()
        self.__setCutFunction()
        self.__vtk_cutter.Update()

    def __setInput(self):
        """
        Set the input for the cutter.
        """

        self.__vtk_cutter.SetInput(self.__object)

    def __setCutFunction(self):
        """
        Set the cut functions (using a plance).
        """

        self.__vtk_cutter.SetCutFunction(self.__plane)

    def _getOutput(self):
        """
        Return the output of the cutter.

        @rtype: vtkPolyData
        @return: Polygonal data
        """

        return self.__vtk_cutter.GetOutput()
1	"""
2	@author: John NGUI
3	"""
4
5	import vtk
6
7	class Cutter:
8	"""
9	Class that defines a cutter.
10	"""
11
12	def __init__(self, object, plane):
13	"""
14	Initialise the cutter.
15
16	@type object: vtkUnstructuredGrid, etc
17	@param object: Input for the cutter
18	@type plane: vtkPlane
19	@param plane: Plane to cut the object
20	"""
21
22	self.__object = object
23	self.__plane = plane
24	self.__vtk_cutter = vtk.vtkCutter()
25
26	self.__setupCutter()
27
28	def __setupCutter(self):
29	"""
30	Setup the cutter.
31	"""
32
33	self.__setInput()
34	self.__setCutFunction()
35	self.__vtk_cutter.Update()
36
37	def __setInput(self):
38	"""
39	Set the input for the cutter.
40	"""
41
42	self.__vtk_cutter.SetInput(self.__object)
43
44	def __setCutFunction(self):
45	"""
46	Set the cut functions (using a plance).
47	"""
48
49	self.__vtk_cutter.SetCutFunction(self.__plane)
50
51	def _getOutput(self):
52	"""
53	Return the output of the cutter.
54
55	@rtype: vtkPolyData
56	@return: Polygonal data
57	"""
58
59	return self.__vtk_cutter.GetOutput()